extend_with_template

Description:

public uint extend_with_template (Widget widget, Type template_type, string buffer, size_t length) throws Error

Main private entry point for building composite container components from template XML.

This is exported purely to let gtk-builder-tool validate templates, applications have no need to call this function.

this	a Builder
widget	the widget that is being extended
template_type	the type that the template is for
buffer	the string to parse
length	the length of `buffer` (may be -1 if `buffer` is nul-terminated)

A positive value on success, 0 if an error occurred